<?php  if (!defined('BASEPATH')) exit('No direct script access allowed');
class MY_Form_validation extends CI_Form_validation
{
  function numeric_nal($str)
	{
	  if ($str == 0) return false;
		return (bool)preg_match( '/^[\+]?[0-9]*\.?[0-9]+$/', $str);
	}

}